- Dropped support for Erlang 21.3; requires Erlang/OTP 22.0 or later (breaking compatibility change).
- Bug fixes across core server, management, federation, and Kubernetes peer discovery plugins, plus corrected health‑check endpoint status codes.
- Enhancements include a higher Raft failure‑detector poll interval, better JSON error handling, multi‑hop vhost federation, and improved Azure AD OAuth2 compatibility.